Open-source firmware

Open-source firmware is firmware that is published under an open-source license. It can be contrasted with proprietary firmware, which is published under a proprietary license or EULA.

Examples

 * OpenWrt
 * coreboot
 * SeaBIOS
 * LinuxBoot
 * Libreboot
 * Marlin (firmware), Arduino-based firmware for 3D printers
 * PinePhone LTE modem
 * Rockbox, a replacement firmware for various digital audio players
 * QMK
 * U-Boot